linux-kernel - Re: [PATCH v3 5/8] memcg: cleanup __mod_memcg_lruvec

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Message-ID: <CABdmKX2wN1+jftf6FbZUvN+wqA6_hVMRk8Va8TDoExjU1r2q9g@mail.gmail.com>
Date: Tue, 30 Apr 2024 10:31:07 -0700
From: "T.J. Mercier" <tjmercier@...gle.com>
To: Shakeel Butt <shakeel.butt@...ux.dev>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Johannes Weiner <hannes@...xchg.org>, 
	Michal Hocko <mhocko@...nel.org>, Roman Gushchin <roman.gushchin@...ux.dev>, 
	Muchun Song <muchun.song@...ux.dev>, Yosry Ahmed <yosryahmed@...gle.com>, kernel-team@...a.com, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/8] memcg: cleanup __mod_memcg_lruvec_state

On Mon, Apr 29, 2024 at 11:06 PM Shakeel Butt <shakeel.butt@...ux.dev> wrote:
>
> There are no memcg specific stats for NR_SHMEM_PMDMAPPED and
> NR_FILE_PMDMAPPED. Let's remove them.
>
> Signed-off-by: Shakeel Butt <shakeel.butt@...ux.dev>
> Reviewed-by: Yosry Ahmed <yosryahmed@...gle.com>
> Reviewed-by: Roman Gushchin <roman.gushchin@...ux.dev>

Reviewed-by: T.J. Mercier <tjmercier@...gle.com>


> ---
> Changes since v2:
> - N/A
>
>  mm/memcontrol.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index f424c5b2ba9b..df94abc0088f 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -1008,8 +1008,6 @@ static void __mod_memcg_lruvec_state(struct lruvec *lruvec,
>                 case NR_ANON_MAPPED:
>                 case NR_FILE_MAPPED:
>                 case NR_ANON_THPS:
> -               case NR_SHMEM_PMDMAPPED:
> -               case NR_FILE_PMDMAPPED:
>                         if (WARN_ON_ONCE(!in_task()))
>                                 pr_warn("stat item index: %d\n", idx);
>                         break;
> --
> 2.43.0
>